8
A power supply is a device that takes an incoming electrical current and amplifies it to levels required by various devices.
Added 8/5/2015 12:00:24 PM
This answer has been confirmed as correct and helpful.
8
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
Added 8/5/2015 12:01:10 PM
This answer has been confirmed as correct and helpful.